na INLIS000000000010575 20210426121656 210426||||||||| | ||| |||| || | 010-0421010575 id 30 30. BLA c BLALOCK, Hubert M. Conceptualization and measurement in the social science California Sage Publications 1982 285p.:ills.;24cm metodologi penelitian -- sosial -- ilmu sosial -- penelitian sosial